Home / 134,883.35-186,139.02-74,454.01

Finding the Fourth Proportional to 134,883.35, 186,139.02 and 74,454.01

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Solution

The fourth proportional to 134,883.35, 186,139.02 and 74,454.01 is: 102,746.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,883.35 : 186,139.02 = 74,454.01 : x
  2. Step 2: Convert to fraction form
    134,883.35/186,139.02 = 74,454.01/x
  3. Step 3: Cross multiply
    134,883.35x = 186,139.02 × 74,454.01
  4. Step 4: Simplify right side
    134,883.35x = 13,858,796,456.47
  5. Step 5: Solve for x
    x = 13,858,796,456.47/134,883.35
  6. Step 6: Final answer
    x = 102,746.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.